SBVS034O
September 2003 – August 2025
TPS731
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagrams
6.3
Feature Description
6.3.1
Output Noise
6.3.2
Internal Current Limit
6.3.3
Enable Pin and Shutdown
6.3.4
Reverse Current
6.4
Device Functional Modes
6.4.1
Normal Operation With 1.7 V ≤ VIN ≤ 5.5 V and VEN ≥ 1.7 V
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Input and Output Capacitor Requirements
7.2.2.2
Dropout Voltage
7.2.2.3
Transient Response
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Thermal Considerations
7.4.1.2
Power Dissipation
7.4.2
Layout Examples
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Spice Models
8.1.2
Device Nomenclature
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbvs034o_oa
sbvs034o_pm
1
Features
Stable with or without capacitors of all types
Input voltage range of 1.7V to 5.5V
Ultra-low dropout voltage: 30mV typical (150mA load)
Excellent load transient response—with or without optional output capacitor
New NMOS topology provides low reverse leakage current
Low noise: 30μV
RMS
typical (10kHz to 100kHz)
0.5% initial accuracy
1% overall accuracy over line, load, and temperature
Less than 1μA maximum I
Q
in shutdown mode
Thermal shutdown and specified minimum and maximum current-limit protection
Available in multiple output voltage versions:
Fixed outputs: 1.20V to 5V
Adjustable outputs: 1.2V to 5.5V
Custom outputs available